I was wondering what are the causes of unbearable existential fears and anxiety? What are some thing

There are biological reasons genetically transmitted that can contribute to a natural disposition towards anxiety, nevertheless anxiety symptoms are generally an answer to environmental or inner stressors. Generally a psychotherapeutic approach combined with a pharmacological approach are needed to resolve these symptoms, possibly for the rest of life.

Unbearable existential fears and anxiety can stem from triggers like major life events (death of a loved one, job loss), personal dissatisfaction, or confronting your own mortality, but biological factors, such as imbalances in neurotransmitters like serotonin and dopamine, can also play a role. Recovering confidence involves addressing triggers, practicing mindfulness, reflecting on your values and strengths, engaging in fulfilling activities, and seeking support through therapy, social connections, and self-care